code: def forward(self, input):
      raise NotImplementedError
  
file_path: autogluon/tabular/src/autogluon/tabular/models/tab_transformer/tab_model_base.py
imports: import torch.nn
label_desc: Use image node_id 2 for calling the TabModelBase obj's underlying member method code with example usage: obj.forward(input) without return types